Update (v2):
Progress continues on the PlayStation 4 since the release of 4.05 Exploit by SpecterDev a little over a month ago, since then we have seen several things make its way to aid the exploit such as PS4HEN (by wildcard) then we seen that followed the flatz unlocking the PS2 Classics on the PS4. We have also seen methods of dumping your PS4 Disc Games/PSN Content like this one from Vortex. We have been seeing alot of progress but still lots to achieve yet in the PS4 scene so it should be a fun journey, but if your on 4.05 and obviously may not want to update to stay on the journey but fear of accidentally installing a firmware update FEAR NO MORE, LightningMods & CelesteBlue have provided a PS4HEN payload combine with Update Blocker to help prevent you from accidentally leaving your v4.05 firmware​

The update blocker creates a folder in /update and unlinks the folder DO NOT REMOVE IT You WILL still get the notification of an update, let the update download to 100% then you will be greeted with a "Cannot Download" message and will not allow you to install the firmware update, so now no worries you cannot update it accidentally... You can use @LightningMods website to inject it without injecting it via PC​

Well, well! You (probably) already heard about the several PlayStation Developer Wikis like for the PS3 and the PS4, but also for the handheld consoles like PSP and PSVITA, with it's strong communities and useful information for each wiki. But while the actual Console Generations were already satisfied with their own wikis, there was something missing. If you wanted to get some informations about older Sony Consoles, then we had to be honest - your informations kept very short. But since we speak about the "past tense form" from "has", the lack of useful information could change with your help. Thanks to the well-known user @GregoryRasputin, you can now contribute to a PS1 and PS2 DevWiki! Yeah, that's right. Sony's both first released home consoles are getting it's own dedicated wikis and everyone is welcome to contribute.​

While we have seen PS2 developer like@sp193 busy with several new updates to Free Memory Card Boot (FMCB) exploit recently, the dev along with other PS2 devs like Maximus32 have been putting in some work and making some "HUGE Advancements" to OPLas@TnA details. Open PS2 Loader or better known as simplyOPL is moving along nicely with the times and making great strides still in 2018, from here i will leave it to TnA who has summed up the various progressions of this very popular PS2 Project​

The PS2 Community is still going strong and developer@sp193 continues to make improvements across the board on the PS2, with some of the dev's latest work coming with a series of new updates toFree Memory Card Boot (FMCB), Since June of this year the dev has provided the progress and reports as seen in the thread (in the psx-place forums) and kept us informed. There has been alot of new changes since June and each of those changes can be seen in the "Recent Developments" along with some other details about the project be sure to view all links the dev has provided for additional details about this project if your a new comer to FMCB or the PS2.​

thank u very much for good work. i formated my ps4 everytime update complete downloaded...but now i got solution.

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you could've used my ps4 tutorial. it blocks updates. updates seem to use an xml file that connect to an update file just like the vita. I'm hoping that there will be a downgrade method for at least those known exploitable systems of 4.07 and lower. I can use the webkit exploit on 4.07 and supposedly the kernel hack works on that.

you could've used my ps4 tutorial. it blocks updates. updates seem to use an xml file that connect to an update file just like the vita. I'm hoping that there will be a downgrade method for at least those known exploitable systems of 4.07 and lower. I can use the webkit exploit on 4.07 and supposedly the kernel hack works on that.

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kernel xploit on 4.07 wtf i got ps4 slim with 4.07....can u pls DM how to do that?

kernel xploit on 4.07 wtf i got ps4 slim with 4.07....can u pls DM how to do that?

Sent from my SM-C5010 using Tapatalk

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according to the dev responsible, the kernel exploit works up to at least 4.07, but he's never released how to do it. he did help with the 4.05 exploit though. you can, however, try the webkit exploit on 4.07. someone ported it over, but without knowledge on how to do the kernel exploit, we can't exploit the system above 4.05. I only say the possibility of a downgrading method since the webkit and possibly kernel exploit works on 4.07. I've personally tested this, and it does in fact work (webkit only).

according to the dev responsible, the kernel exploit works up to at least 4.07, but he's never released how to do it. he did help with the 4.05 exploit though. you can, however, try the webkit exploit on 4.07. someone ported it over, but without knowledge on how to do the kernel exploit, we can't exploit the system above 4.05. I only say the possibility of a downgrading method since the webkit and possibly kernel exploit works on 4.07. I've personally tested this, and it does in fact work (webkit only).

i can confirm it works, after payload sent the system will download the update but cant install/finish update and stops downloading. it is permanent fix too. from reading the payload creates the update folder and since there is something in it the update wont stick.

i can confirm it works, after payload sent the system will download the update but cant install/finish update and stops downloading. it is permanent fix too. from reading the payload creates the update folder and since there is something in it the update wont stick.

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interesting. this is not unlike the wii u blocking updates method of simply deleting the update folder on the internal flash. updates then will error.